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Details, datasheet, quote on part number:LM2903N
 
 
Part:LM2903N
Description:Dual Differential Comparator
Company:Fairchild Semiconductor
Datasheet:Download LM2903N datasheet   File size : 80 kB
Request For quote:  Find where to buy LM2903N
 



Datasheet text preview:
www.fairchildsemi.com
LM2903/LM2903I,LM393/LM393A, LM293/LM293A
Dual Differential Comparator
Features
· · · · · · · · Single Supply Operation: 2V to 36V Dual Supply Operation: ± 1V to ±18V Allow Comparison of Voltages Near Ground Potential Low Current Drain 800µA Typ. Compatible with all Forms of Logic Low Input Bias Current 25nA Typ. Low Input Offset Current ±5nA Typ. Low Offset Voltage ±1mV Typ.
Description
The LM2903/LM2903I, LM393/LM393A, LM293/ LM293A consist of two independent voltage comparators designed to operate from a single power supply over a wide voltage range.
8-DIP
1
8-SOP
1
Internal Block Diagram
Rev. 1.0.3
©2001 Fairchild Semiconductor Corporation
LM2903/LM2903I,LM393/LM393A, LM293/LM293A
Schematic Diagram
Absolute Maximum Ratings
Parameter Power Supply Voltage Differential Input Voltage Input Voltage Output Short Circuit to GND Power Dissipation, Ta = 25°C 8-DIP 8-SO P Operating Temperature LM393/LM393A LM2903 LM2903I LM293/LM293A Storage Temperature Symbol VCC VI(DIFF) VI PD Value ±18 or 36 36 - 0.3 to +36 Continuous 1040 480 0 ~ +70 - 40 ~ +85 -40 ~ +105 -25 ~ +85 - 65 ~ +150 Unit V V V mW
TOPR TSTG
°C °C
Thermal Data
Parameter Thermal Resistance Junction-Ambient Max. 8-DIP 8-SO P Symbol Rja Value 120 260 Unit ° C /W
2
LM2903/LM2903I,LM393/LM393A, LM293/LM293A
Electrical Characteristics
(VCC = 5V, TA = 25°C, unless otherwise specified) Parameter Input Offset Voltage Input Offset Current Input Bias Current Input Common Mode Voltage Range Supply Current Voltage Gain Large Signal Response Time Response Time Output Sink Current Output Saturation Voltage Output Leakage Current Symbol VIO II O IBIAS Conditions VO(P) =1.4V, RS = 0 VCM= 0 to1.5V Note 1 Note 1 Note 1 LM293A/LM393A Min. 0 Note 1 ICC GV TLRES TRES ISINK VSAT RL = , VCC = 5V RL = , VCC = 30V VCC =15V, RL 15K (for large VO(P-P)swing) VI =TTL Logic Swing VREF =1.4V, VRL = 5V, RL = 5.1K VRL =5V, RL =5.1K VI(-) 1V, VI(+) =0V, VO(P) 1.5V VI(-) 1V, VI(+) = 0V ISINK = 4mA VI(-) = 0V, VI(+) = 1V Note 1 VO(P) = 5V VO(P) = 30V 0 50 6 Typ. ±1 ±5 65 0.6 0 .8 200 350 1 .4 18 160 0.1 M ax. ±2 ±4.0 ±50 ±150 250 400 VC C - 1 .5 VCC-2 1 2.5 400 700 1.0 0 0 50 6 L M 293/LM393 M in . Typ. ±1 ±5 65 0.6 0.8 200 350 1.4 18 160 0.1 M ax. ±5 ± 9.0 ± 50 ± 150 250 400 VCC -1.5 VCC-2 1 2 .5 400 700 1.0 mV nA µA mA V/mV nS µS mA Unit mV nA nA
VI(R)
V
IO(LKG)
NOTE 1 LM393/LM393A: 0 TA +70°C LM2903: -40 TA +85°C LM2903I: -40 TA +105°C LM293/LM293A : -25 TA +85°C
3